De=-25.5 E.Dia=20.08" Ring Long dia 45.79" Ring short dia 19.73" 310mm Newtonian(F5) TeleVue barlow 3x(f/24) NEC PICONA 1/7sec 0.5 deg. prism [T.Ikemura Nagoya Aichi JAPAN] ሤmÉs rrF